a
temperature
of soil number of
organisms
40° 10
45° 11.25
50° 12.5
55° 13.75
b
temperature
of soil number of
organisms
40° 20.5
45° 25.25
50° 25.25
55° 30.5
c
temperature
of soil number of
organisms
40° 16
45° 18
50° 14
55° 10
d
temperature
of soil number of
organisms
40° 26
45° 23
50° 26
55° 28

bobby collected data on the temperature (in °f) of soil samples and the number of organisms living in the soil. bobby's data models a direct variation. which data table is bobby's?
a)

Paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each? 1. define a variable for the situation. 2. write an inequality that represents her profit. note: revenue is money coming in. cost is money going out. profit is the difference between the revenue and the cost. in other words: revenue - costs profit 3.using words, describe how many windows she must sell to have a profit of at least $48,000.